diff --git a/codegen/go.mod b/codegen/go.mod
index 5955a09..15be442 100644
--- a/codegen/go.mod
+++ b/codegen/go.mod
@@ -3,7 +3,7 @@ module github.com/sumup/sumup-dotnet/codegen
 go 1.25
 
 require (
-	github.com/pb33f/libopenapi v0.33.0
+	github.com/pb33f/libopenapi v0.33.5
 	go.yaml.in/yaml/v4 v4.0.0-rc.4
 )
 
diff --git a/codegen/go.sum b/codegen/go.sum
index 43ff950..9f106de 100644
--- a/codegen/go.sum
+++ b/codegen/go.sum
@@ -6,8 +6,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pb33f/jsonpath v0.7.1 h1:dEp6oIZuJbpDSyuHAl9m7GonoDW4M20BcD5vT0tPYRE=
 github.com/pb33f/jsonpath v0.7.1/go.mod h1:zBV5LJW4OQOPatmQE2QdKpGQJvhDTlE5IEj6ASaRNTo=
-github.com/pb33f/libopenapi v0.33.0 h1:s0mZhtxNW4ko8npYzMKVOUYsEs5QqZdywxGlbUE52z0=
-github.com/pb33f/libopenapi v0.33.0/go.mod h1:e/dmd2Pf1nkjqkI0r7guFSyt9T5V0IIQKgs0L6B/3b0=
+github.com/pb33f/libopenapi v0.33.5 h1:AzILVrOzMaawLFhQENmwmn7h/TIDH2QEgUd0PfxS2xE=
+github.com/pb33f/libopenapi v0.33.5/go.mod h1:e/dmd2Pf1nkjqkI0r7guFSyt9T5V0IIQKgs0L6B/3b0=
 github.com/pb33f/ordered-map/v2 v2.3.0 h1:k2OhVEQkhTCQMhAicQ3Z6iInzoZNQ7L9MVomwKBZ5WQ=
 github.com/pb33f/ordered-map/v2 v2.3.0/go.mod h1:oe5ue+6ZNhy7QN9cPZvPA23Hx0vMHnNVeMg4fGdCANw=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=